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Title: Chapter 1.1 Crystallinity of Nanocellulose Materials by Near-IR FT-Raman Spectroscopy

Author: Agarwal, Umesh P.; Reiner, Richard S.; Ralph, Sally A.;

Date: 2013

Source: In: Production and applications of Cellulose nanomaterials, TAPPI Press, Chapter 1.1, 2013; pp. 43-44.

Publication Series: Book Chapter

Description: Considering that crystallinity is one of the important properties that influence the end use of cellulose nanomaterials, it is important that the former be measured accurately. Recently, a new method based on near-IR FTRaman spectroscopy was proposed to determine cellulose I crystallinity. It was reported that in the Raman spectrum of cellulose materials, the peak intensity ratio of 380 and 1,096 cm-1 bands can be used to determine cellulose crystallinity. Raman crystallinities of the calibration-set Whatman CC31 samples were correlated with the WAXS data (Segal- WAXS-21°; coefficient of determination R2 = 0.98). Average standard error calculated from replicate Raman acquisitions indicated that the Raman crystallinity model was highly reliable. In ongoing investigations, the Raman method is being applied to determine crystallinity of nanocellulose materials.

Keywords: Ramath, Cellulose nanomaterials, Crystallinity, cellulose crystals, WAXS, CNC, CNF

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Agarwal, Umesh P.; Reiner, Richard S.; Ralph, Sally A. 2013. Crystallinity of nanocellulose materials by near-IR FT-Raman spectroscopy. In: Postek, Michael T.; Moon, Robert J.; Rudie, Alan W.; Bilodeau, Michael A., eds. Production and Applications of Cellulose Nanomaterials. Peachtree Corners, GA: TAPPI Press. pp. 43-44, Chapter 1.1. ISBN: 978-1-59510-224-9.


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